Upload crashes to collab directly (#8649)

This lets us run rustc_demangle on the backtrace, which helps the Slack
view significantly.

We're also now uploading files to digital ocean's S3 equivalent (with a
1 month expiry) instead of to Slack.

This PR paves the way for (but does not yet implement) sending this data
to clickhouse too.

Release Notes:

- N/A

crates/collab/src/api.rs

@@ -1,5 +1,7 @@
 pub mod events;
 pub mod extensions;
+pub mod ips_file;
+pub mod slack;
 
 use crate::{
     auth,
@@ -21,7 +23,6 @@ use chrono::SecondsFormat;
 use serde::{Deserialize, Serialize};
 use std::sync::Arc;
 use tower::ServiceBuilder;
-use tracing::instrument;
 
 pub use extensions::fetch_extensions_from_blob_store_periodically;
 
@@ -29,7 +30,6 @@ pub fn routes(rpc_server: Option<Arc<rpc::Server>>, state: Arc<AppState>) -> Rou
     Router::new()
         .route("/user", get(get_authenticated_user))
         .route("/users/:id/access_tokens", post(create_access_token))
-        .route("/panic", post(trace_panic))
         .route("/rpc_server_snapshot", get(get_rpc_server_snapshot))
         .route("/contributors", get(get_contributors).post(add_contributor))
         .route("/contributor", get(check_is_contributor))
@@ -120,20 +120,6 @@ struct CreateUserResponse {
     metrics_id: String,
 }
 
-#[derive(Debug, Deserialize)]
-struct Panic {
-    version: String,
-    release_channel: String,
-    backtrace_hash: String,
-    text: String,
-}
-
-#[instrument(skip(panic))]
-async fn trace_panic(panic: Json<Panic>) -> Result<()> {
-    tracing::error!(version = %panic.version, release_channel = %panic.release_channel, backtrace_hash = %panic.backtrace_hash, text = %panic.text, "panic report");
-    Ok(())
-}
-
 async fn get_rpc_server_snapshot(
     Extension(rpc_server): Extension<Option<Arc<rpc::Server>>>,
 ) -> Result<ErasedJson> {